----- Original Message -----
From: "Hansruedi Born" <born@switch.ch>
Sent: Wednesday, September 03, 2003 3:02 PM
Subject: [Openh323gk-users] performance gnugk in proxy mode
> Now I am wondering, has anyone (detailed) performance information about
> GnuGK running as a proxy? I am looking for something like a benchmark test.
> What are the main factors concerning performance (server resources / number
> of calls / call bandwith) ?
This is the thing many people look for. Nobody has posted a good benchmark recently.
There was some report about 75 simultaneus calls working fine in proxy mode.
I think bandwidth is the least important factor (you can use narrow band codec or upgrade
network link - that's easy). If number of sim. calls is growing, the following comes to my mind:
*) to handle more calls in parallel, you need to increase number of call signal handlers
- you can run into problems with too many threads then;
*) handling many sim. calls in proxy mode with relatively small number of call signal handler
can increase audio delay/jitter;
*) cpu could be the critical resource for many sim. calls;
*) if you are using RAS (registered endpoints sending RRQ,ARQ and other messages) you should
consider gnu gk version 2.2. 2.0 bottleneck could be processing of RAS requests.
*) you should use LARGE_FDSET, otherwise you can hit some limitations on number of sockets being served
(I think this could be the case for more than 100 sim. calls);
Regards:
---
Zygmuntowicz Michal
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